Table 2 Relationship between preoperative MRI findings and pituitary function after surgery

Tumor size

 − 0.09

(− 0.18, − 0.003)

p = 0.04

0.36

(− 1.6,2.32)

p = 0.6

 − 0.2

(− 0.42, 0.0091)

p = 0.06

 − 0.005

(− 0.52, 0.4)

p = 0.8

5.29

(1.65, 8.92)

p = 0.006

Tumor volume

 − 0.0001

(− 0.0002, 0.00001)

p = 0.08

0.001

(− 0.002, 0.004)

p = 0.43

 − 0.0002

(− 0.0005, 0.00005)

p = 0.11

 − 6.40

(− 0.0008, 0.00007)

p = 0.8

0.006

(0.0008,0.01)

p = 0.02

Apparent normal pituitary tissue

 − 1.04

(− 2.7, 0.65)

p = 0.23

11.06

(− 67.74, 13.13)

p = 0.15

 − 1.61

(− 5.64, 2.42)

p = 0.41

 − 0.14

(− 0.95, 0.67)

p = 0.72

37.44

(− 39.13, 114.01)

p = 0.3

Cystic change

0.45

(− 1.41, − 2.3)

p = 0.61

2.67

(− 53.73, 59.06)

p = 0.91

 − 0.55

(− 5.5, 4.4)

p = 0.82

 − 0.32

(− 1.2, 0.58)

p = 0.5

 − 36.4

(− 117.8, 44.88)

p = 0.37